diff options
Diffstat (limited to 'computer/tetris.lua')
| -rw-r--r-- | computer/tetris.lua | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/computer/tetris.lua b/computer/tetris.lua new file mode 100644 index 0000000..32a0239 --- /dev/null +++ b/computer/tetris.lua @@ -0,0 +1,282 @@ +local shapes = { + { { x = {0, 1, 0, 1}, y = {0, 0, 1, 1} } }, + + { { x = {1, 1, 1, 1}, y = {0, 1, 2, 3} }, + { x = {0, 1, 2, 3}, y = {1, 1, 1, 1} } }, + + { { x = {0, 0, 1, 1}, y = {0, 1, 1, 2} }, + { x = {1, 2, 0, 1}, y = {0, 0, 1, 1} } }, + + { { x = {1, 0, 1, 0}, y = {0, 1, 1, 2} }, + { x = {0, 1, 1, 2}, y = {0, 0, 1, 1} } }, + + { { x = {1, 2, 1, 1}, y = {0, 0, 1, 2} }, + { x = {0, 1, 2, 2}, y = {1, 1, 1, 2} }, + { x = {1, 1, 0, 1}, y = {0, 1, 2, 2} }, + { x = {0, 0, 1, 2}, y = {0, 1, 1, 1} } }, + + { { x = {1, 1, 1, 2}, y = {0, 1, 2, 2} }, + { x = {0, 1, 2, 0}, y = {1, 1, 1, 2} }, + { x = {0, 1, 1, 1}, y = {0, 0, 1, 2} }, + { x = {0, 1, 2, 2}, y = {1, 1, 1, 0} } }, + + { { x = {1, 0, 1, 2}, y = {0, 1, 1, 1} }, + { x = {1, 1, 1, 2}, y = {0, 1, 2, 1} }, + { x = {0, 1, 2, 1}, y = {1, 1, 1, 2} }, + { x = {0, 1, 1, 1}, y = {1, 0, 1, 2} } } } + +local colors = { "computer_cyan.png", "computer_magenta.png", "computer_red.png", + "computer_blue.png", "computer_green.png", "computer_orange.png", "computer_yellow.png" } + +local background = "image[0,0;3.55,6.66;computer_black.png]" +local buttons = "button[3,4.5;0.6,0.6;left;<]" + .."button[3.6,4.5;0.6,0.6;rotateleft;L]" + .."button[4.2,4.5;0.6,0.6;down;v]" + .."button[4.2,5.3;0.6,0.6;drop;V]" + .."button[4.8,4.5;0.6,0.6;rotateright;R]" + .."button[5.4,4.5;0.6,0.6;right;>]" + .."button[3.5,3;2,2;new;New Game]" + +local formsize = "size[5.9,5.7]" +local boardx, boardy = 0, 0 +local sizex, sizey, size = 0.29, 0.29, 0.31 + +local comma = "," +local semi = ";" +local close = "]" + +local concat = table.concat +local insert = table.insert + +local draw_shape = function(id, x, y, rot, posx, posy) + local d = shapes[id][rot] + local scr = {} + local ins = #scr + + for i=1,4 do + local tmp = { "image[", + (d.x[i]+x)*sizex+posx, comma, + (d.y[i]+y)*sizey+posy, semi, + size, comma, size, semi, + colors[id], close } + + ins = ins + 1 + scr[ins] = concat(tmp) + end + + return concat(scr) +end + +local function step(pos, fields) + local meta = minetest.get_meta(pos) + local t = minetest.deserialize(meta:get_string("tetris")) + + local function new_game(pos) + local nex = math.random(7) + + t = { + board = {}, + boardstring = "", + previewstring = draw_shape(nex, 0, 0, 1, 4, 1), + score = 0, + cur = math.random(7), + nex = nex, + x=4, y=0, rot=1 + } + + local timer = minetest.get_node_timer(pos) + timer:set(0.3, 0) + end + + local function update_boardstring() + local scr = {} + local ins = #scr + + for i, line in pairs(t.board) do + for _, tile in pairs(line) do + local tmp = { "image[", + tile[1]*sizex+boardx, comma, + i*sizey+boardy, semi, + size, comma, size, semi, + colors[tile[2]], close } + + ins = ins + 1 + scr[ins] = concat(tmp) + end + end + + t.boardstring = concat(scr) + end + + local function add() + local d = shapes[t.cur][t.rot] + + for i=1,4 do + local l = d.y[i] + t.y + if not t.board[l] then t.board[l] = {} end + insert(t.board[l], {d.x[i] + t.x, t.cur}) + end + end + + local function scroll(l) + for i=l, 1, -1 do + t.board[i] = t.board[i-1] or {} + end + end + + local function check_lines() + for i, line in pairs(t.board) do + if #line >= 10 then + scroll(i) + t.score = t.score + 20 + end + end + end + + local function check_position(x, y, rot) + local d = shapes[t.cur][rot] + + for i=1,4 do + local cx, cy = d.x[i]+x, d.y[i]+y + + if cx < 0 or cx > 9 or cy < 0 or cy > 19 then + return false + end + + for _, tile in pairs(t.board[ cy ] or {}) do + if tile[1] == cx then return false end + end + end + + return true + end + + local function stuck() + if check_position(t.x, t.y+1, t.rot) then return false end + return true + end + + local function tick() + if stuck() then + if t.y <= 0 then + return false end + add() + check_lines() + update_boardstring() + t.cur, t.nex = t.nex, math.random(7) + t.x, t.y, t.rot = 4, 0, 1 + t.previewstring = draw_shape(t.nex, 0, 0, 1, 4.1, 0.6) + else + t.y = t.y + 1 + end + return true + end + + local function move(dx, dy) + local newx, newy = t.x+dx, t.y+dy + if not check_position(newx, newy, t.rot) then return end + t.x, t.y = newx, newy + end + + local function rotate(dr) + local no = #(shapes[t.cur]) + local newrot = (t.rot+dr) % no + + if newrot<1 then newrot = newrot+no end + if not check_position(t.x, t.y, newrot) then return end + t.rot = newrot + end + + local function key() + if fields.left then + move(-1, 0) + end + if fields.rotateleft then + rotate(-1) + end + if fields.down then + t.score = t.score + 1 + move(0, 1) + end + if fields.drop then + while not stuck() do + t.score = t.score + 2 + move(0, 1) + end + end + if fields.rotateright then + rotate(1) + end + if fields.right then + move(1, 0) + end + end + + local run = true + + if fields then + if fields.new then + new_game(pos) + else + key(fields) + end + else + run = tick() + end + + if t then + local scr = { formsize, background, + t.boardstring, t.previewstring, + draw_shape(t.cur, t.x, t.y, t.rot, boardx, boardy), + "label[3.8,0.1;Next...]label[3.8,2.7;Score: ", + t.score, close, buttons } + + + meta:set_string("formspec", concat(scr) + ..default.gui_bg..default.gui_bg_img..default.gui_slots) + meta:set_string("tetris", minetest.serialize(t)) + end + + return run +end + +minetest.register_node("computer:tetris_arcade", { + description="Tetris Arcade", + drawtype = "mesh", + mesh = "tetris_arcade.obj", + tiles = {"tetris_arcade.png"}, + paramtype = "light", + paramtype2 = "facedir", + groups = {snappy=3}, + on_rotate = screwdriver.rotate_simple, + selection_box = { + type = "fixed", + fixed = {-0.5, -0.5, -0.5, 0.5, 1.5, 0.5} + }, + collision_box = { + type = "fixed", + fixed = {-0.5, -0.5, -0.5, 0.5, 1.5, 0.5} + }, + on_construct = function(pos) + local meta = minetest.get_meta(pos) + meta:set_string("formspec", formsize.."button[2,2.5;2,2;new;New Game]" + ..default.gui_bg..default.gui_bg_img..default.gui_slots) + end, + on_timer = function(pos) + return step(pos, nil) + end, + on_receive_fields = function(pos, formanme, fields, sender) + step(pos, fields) + end, + on_place = function(itemstack, placer, pointed_thing) + local pos = pointed_thing.above + if minetest.get_node({x=pos.x, y=pos.y+1, z=pos.z}).name ~= "air" then + minetest.chat_send_player(placer:get_player_name(), "No room for place the Arcade!") + return end + local dir = placer:get_look_dir() + local node = {name="computer:tetris_arcade", param1=0, param2 = minetest.dir_to_facedir(dir)} + minetest.set_node(pos, node) + itemstack:take_item() + return itemstack + end +}) |